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What is the sum of 1+2+.....+50?​

What is the sum of 1+2+.....+50?​
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What is the sum of 1+2+.....+50?​

User Jeff Maner
by
7.9k points

1 Answer

4 votes

Answer:

sum is 1275

Explanation:


sum = (n)/(2) [2a + (n - 1)d] \\ \\ sum = (50)/(2) [(2 * 1) + (50 - 1) * 1] \\ \\ sum = 25(51) \\ sum = 1275

User Jay Anderson
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